180Pcs Compression Fittings Assortment Kit - 4 Sizes (1/4",, Oil And Inert Gases 180PCS Compression Fittings Assortment kit - 4 sizes of Brass Compression Sleeve Ferrule, Insert and nuts - used to connect lines for air,water,fuel,oil and inert gases ? Brief Description: You'll get 180 pieces of compression fittings including compression sleeve ferrule, Insert and nuts of 4 different sizes for your convenience. ? Sizes : ? 1/4 inches- 20pcs compression sleeve ferrule, 20pcs compression insert 8pcs nuts ? 3/8 inches- 20pcs sleeve ferrule, 20 pcs insert 8pcs nuts? 5/16 inches- 20pcs sleeve ferrule, 20 pcs insert 8pcs nuts? 1/2 inches- 15pcs sleeve ferrule, 15 pcs insert 6pcs nuts. ? High-Quality Material: Solid , High Quality and durable brass construction. Lead Free, Corrosion resistance, ductility at high temperatures, and low magnetic permeability. ? Easy to Use: These fittings are easy to assemble requiring no soldering, flaring or deburring. Standard Compression Fittings are suitable for a wide variety of applications. ? Applications?This brass compression kit can be connected to copper, brass, aluminum, or plastic tubing. No flaring tool is required for assembly.It can keeps plastic tube from collapsing when tightened. And prevent leakage.